Home / 22,429.88-33,761.81-19,047.32

Finding the Fourth Proportional to 22,429.88, 33,761.81 and 19,047.32

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Solution

The fourth proportional to 22,429.88, 33,761.81 and 19,047.32 is: 28,670.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,429.88 : 33,761.81 = 19,047.32 : x
  2. Step 2: Convert to fraction form
    22,429.88/33,761.81 = 19,047.32/x
  3. Step 3: Cross multiply
    22,429.88x = 33,761.81 × 19,047.32
  4. Step 4: Simplify right side
    22,429.88x = 643,071,998.85
  5. Step 5: Solve for x
    x = 643,071,998.85/22,429.88
  6. Step 6: Final answer
    x = 28,670.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.